During the 1820s and 1830s, HBC trappers were deeply involved in the early exploration and development of Northern California.

During WWII and beyond, RCA set up several new divisions, for defense, space exploration and other activities.

During his time at the archives, Steiner wrote Die Philosophie der Freiheit ( The Philosophy of Freedom or The Philosophy of Spiritual Activity — Steiner's preferred English title ) ( 1894 ), an exploration of epistemology and ethics that suggested a path upon which humans can become spiritually free beings.

During exploration, there will be the potential for lunar / Martian dust to be retained on the spacesuit.

During early European and American exploration of the Great Plains, the region in which the Dust Bowl occurred was thought unsuitable for European-style agriculture ; the region was known as the Great American Desert.

During the 1990s, further exploration was stalled because of legal battles between the Triton partners.

During the course of this exploration, Holloway's resolve slowly deteriorates, until the house's bizarre architecture leads him to believe an image he sees down a hall is the " monster " stalking them when, in fact, he is actually looking at his own men ; he shoots one of them, and, upon realizing what he's done, suffers a complete psychological breakdown and tries to murder them.

During the first few days of exploration, they identified the site of Old Point Comfort ( which they originally named " Point Comfort ") as a strategic defensive location at the entrance to the body of water that became known as Hampton Roads.

During his exploration of the site, Karl Richard Lepsius identified a series of blocks and broken colonnades in the name of Thutmose IV to the east of the Temple of Ptah.

: During the early period of exploration and development of ideas, premature conference presentations and individual seminars were given by various members of the Cambridge group in other archaeological departments in England and abroad.

During the early phase of the exploration of the northern part of the Philippines López de Legazpi had remained in Cebu, and had not accompanied his men during their colonization of Manila, because of health problems and advanced age.

During his exploration of northwest Europe ( c. 320 BC ), Pytheas of Massilia called the island Iérnē ( written ).

During the 1980s he was the host of a popular television program on space exploration entitled Man, Earth, Universe.

During the third exploration, which departed from the Mayflower on December 6, 1620, a group of men including Bradford located present day Plymouth Bay.

During the over 300 years of Brazilian colonial history, the economic exploration of the territory was based first on brazilwood extraction ( 16th century ), sugar production ( 16th – 18th centuries ), and finally on gold and diamond mining ( 18th century ).

During this brief period in jail he started working on his first novel, Ecué-Yamba-O, an exploration of Afro-Cuban traditions among the poor of the island.

During her exploration of Tallon IV, Samus finds the twelve keys to the Artifact Temple, and lores recorded by both the Chozo and the Space Pirates, providing some more insight about the history of the planet and the two races ' colonization of it and other activities.

During Frondizi's administration, in summary, foreign investment was most encouraged into the sectors creating most of the trade deficits chronic to the Argentine economy between 1949 and 1962 ; indeed, 90 % of all foreign investment during his term went into oil exploration, oil refineries, the auto industry, steel and household durables.

During this exploration, while making a reconnaissance of the higher reaches of the Dudh Khola, they clearly saw Manaslu from Bumtang.

During a sumptuous feast on the Isle of Love, Tethys, who is now the lover of da Gama, prophecies the future of Portuguese exploration and conquest.

During the 1970s and 1980s Israel began developing the infrastructure needed for research and development in space exploration and sciences.

During Roe's time in term in the Survey Office, he attempted to transcribe every journal of exploration in Western Australia.

During their exploration, the Martian starship is attacked by an unknown starship which causes its automated defence systems to come online.

During these years she wrote nothing on travel and exploration, but published a volume of miscellaneous essays, Perseus in the Wind ( 1948 ) and three volumes of autobiography, Traveller's Prelude ( 1950 ), Beyond Euphrates.

During their return trip from the Pacific Ocean, expedition member John Colter was given an early discharge so he could join two fur trappers who were heading west in search of beaver pelts.

During the winter of 1807 / 08 Colter passed through Jackson Hole and was the first Caucasian to see the Teton Range.

During the expedition, Colter was considered to be one of the best hunters in the group, and was routinely sent out alone to scout the surrounding countryside for game meat.

During his presidency, the company's physical plant was enormously expanded, and the length and breadth of the Brown & Sharpe machine tool line became the greatest in the world.

During the summer of 1960, it became the setting for a bitter and basic labor-management struggle.

During the excitement following Lindbergh's flight to Paris earlier in 1927, dare devil aviators overnight became legendary heroes.

During the morning hours, it became clear that the arrest of Spencer was having no sobering effect upon the men of the Somers.

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During its preparation he became a friend of Cosima Wagner ( then in Strasbourg ), with whom he had many theological and musical conversations, exploring his view of Bach's descriptive music, and playing the major Chorale Preludes for her at the Temple Neuf.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During his brother's reign, he participated in the taking of Huesca ( the Battle of Alcoraz, 1096 ), which became the largest city in the kingdom and the new capital.

During his reign, Jerusalem became more closely allied with the Byzantine Empire, and the two states launched an unsuccessful invasion of Egypt.

During that time, while studying at Kabul University, Massoud became involved with the Sazman-i Jawanan-i Musulman (" Organization of Muslim Youth "), the student branch of the Jamiat-i Islami (" Islamic Society "), whose chairman then was professor Burhanuddin Rabbani.

During this period the Muslim world became an intellectual centre for science, philosophy, medicine and education as the Abbasids championed the cause of knowledge and established the " House of Wisdom " ( Arabic: بيت الحكمة ) in Baghdad.

During the 19th century, the fields of science and art became increasingly intertwined as scientists such as Michael Faraday began to study the damaging effects of the environment to works of art.

During the latter half of the 19th century, considerable public improvements were made to the town, which became, despite its neighbouring collieries, a pleasant place to live.

During the 1980s and 1990s, she became one of the first CCM artists to cross over into mainstream pop on the heels of her successful albums Unguarded and Heart in Motion, the latter of which included the No. 1 single " Baby Baby ".

During this time, the annals became an increasingly well-known and respected journal.

During the Weimar era, Berlin became internationally renowned as a center of cultural transformation, at the heart of the Roaring Twenties.

During the deposition for the Jones lawsuit, which was held at the White House, Clinton denied having sexual relations with Monica Lewinsky a denial that became the basis for the impeachment charge of perjury.

During the mid-1980s, many sysops opted for the less expensive, ubiquitous Commodore 64 ( introduced in 1982 ), which became popular among software pirate groups.

During World War I, the large navy was cut off from resupply of big gun shells and became a paper navy, thus reinforcing the drive for self-sufficiency.

During this contest he met vocalist Anni-Frid Lyngstad, and they soon became a couple.

During the late 1960s, the Baseball Players Union became much stronger and conflicts between owners and the players ' union led to major work stoppages in 1972, 1981, and 1994.

During the analysis of the bubbles it became apparent that the products contain chemicals which could be seen as undesired in food.

During the period of the English Civil War, the role of bishops as wielders of political power and as upholders of the established church became a matter of heated political controversy.